Java NamingManager.getURLContext方法代碼示例

import javax.naming.spi.NamingManager; //導入方法依賴的package包/類
protected Context getNativeURLOrDefaultInitCtx(Name name) throws NamingException {
   if (NamingManager.hasInitialContextFactoryBuilder()) {
      return defaultNativeContext;
   }
   if (name.size() > 0) {
      String first = name.get(0);
      String scheme = getURLScheme(first);
      if (scheme != null) {
         Context ctx = NamingManager.getURLContext(scheme, nativeEnv);
         if (ctx != null) {
            return ctx;
         }
      }
   }
   return defaultNativeContext;
}
 

import javax.naming.spi.NamingManager; //導入方法依賴的package包/類
/**
 * Obtains the context for resolving the given name. If the first component of
 * the name is the URL string, this method tries to find the corressponding
 * URL naming context. If it is not an URL string, or the URL context is not
 * found, the default initial context is returned.
 *
 * @param name the name, for that it is required to obtain the context.
 * @return the context for resolving the name.
 * @throws NamingException
 */
protected Context getURLOrDefaultInitCtx(String name) throws NamingException
{
  String scheme = null;

  if (NamingManager.hasInitialContextFactoryBuilder())
    return getDefaultInitCtx();
  int colon = name.indexOf(':');
  int slash = name.indexOf('/');
  if (colon > 0 && (slash == - 1 || colon < slash))
    scheme = name.substring(0, colon);
  if (scheme != null)
    {
      Context context = NamingManager.getURLContext(scheme, myProps);
      if (context != null)
        return context;
    }

  return getDefaultInitCtx();
}
 

import javax.naming.spi.NamingManager; //導入方法依賴的package包/類
/**
 * Obtains the context for resolving the given name. If the first component of
 * the name is the URL string, this method tries to find the corressponding
 * URL naming context. If it is not an URL string, or the URL context is not
 * found, the default initial context is returned.
 * 
 * @param name the name, for that it is required to obtain the context.
 * @return the context for resolving the name.
 * @throws NamingException
 */
protected Context getURLOrDefaultInitCtx(String name) throws NamingException
{
  String scheme = null;

  if (NamingManager.hasInitialContextFactoryBuilder())
    return getDefaultInitCtx();
  int colon = name.indexOf(':');
  int slash = name.indexOf('/');
  if (colon > 0 && (slash == - 1 || colon < slash))
    scheme = name.substring(0, colon);
  if (scheme != null)
    {
      Context context = NamingManager.getURLContext(scheme, myProps);
      if (context != null)
        return context;
    }

  return getDefaultInitCtx();
}
 

import javax.naming.spi.NamingManager; //導入方法依賴的package包/類
public void testGetURLContext_http_f1Success() {
	log.setMethod("testGetURLContext_http_f1Success()");
	String schema = "http";
	Hashtable<String, String> h = new Hashtable<String, String>();
	h.put(Context.URL_PKG_PREFIXES,
			"org.apache.harmony.jndi.tests.javax.naming.spi.mocksuccess");

	try {
		Context ctx = NamingManager.getURLContext(schema, h);
		assertNull(ctx.getEnvironment().get("o"));
		assertNull(ctx.getEnvironment().get("n"));
		assertNull(ctx.getEnvironment().get("c"));
		assertSame(h, ctx.getEnvironment().get("h"));
	} catch (Throwable e) {
		log.log(e);
		fail();
	}
}
 

import javax.naming.spi.NamingManager; //導入方法依賴的package包/類
public void testGetURLContext_http_f1BadClassName_f2Success() {
	log.setMethod("testGetURLContext_http_f1BadClassName_f2Success()");
	String schema = "http";
	Hashtable<String, String> h = new Hashtable<String, String>();
	h.put(Context.URL_PKG_PREFIXES,
			"bad.class.name:org.apache.harmony.jndi.tests.javax.naming.spi.mocksuccess");

	try {
		Context ctx = NamingManager.getURLContext(schema, h);
		assertNull(ctx.getEnvironment().get("o"));
		assertNull(ctx.getEnvironment().get("n"));
		assertNull(ctx.getEnvironment().get("c"));
		assertSame(h, ctx.getEnvironment().get("h"));
	} catch (Throwable e) {
		log.log(e);
		fail();
	}
}
 

import javax.naming.spi.NamingManager; //導入方法依賴的package包/類
public void testGetURLContext_http_f1ReturnNull_f2Success() {
	log.setMethod("testGetURLContext_http_f1ReturnNull_f2Success()");
	String schema = "http";
	Hashtable<Object, Object> h = new Hashtable<Object, Object>();
	h
			.put(Context.URL_PKG_PREFIXES,
					"org.apache.harmony.jndi.tests.javax.naming.spi.mock:org.apache.harmony.jndi.tests.javax.naming.spi.mocksuccess");
	indicateReturnNull(h);

	try {
		Context ctx = NamingManager.getURLContext(schema, h);
		assertNull(ctx);
	} catch (Throwable e) {
		log.log(e);
		fail();
	}
}
 

import javax.naming.spi.NamingManager; //導入方法依賴的package包/類
public void testGetURLContext_http_f1ReturnNull_f2ReturnNull() {
	log.setMethod("testGetURLContext_http_f1ReturnNull_f2ReturnNull()");
	String schema = "http";
	Hashtable<Object, Object> h = new Hashtable<Object, Object>();
	h
			.put(Context.URL_PKG_PREFIXES,
					"org.apache.harmony.jndi.tests.javax.naming.spi.mock:org.apache.harmony.jndi.tests.javax.naming.spi.mock");
	indicateReturnNull(h);

	try {
		Context ctx = NamingManager.getURLContext(schema, h);
		assertNull(ctx);
	} catch (Throwable e) {
		log.log(e);
		fail();
	}
}
 

import javax.naming.spi.NamingManager; //導入方法依賴的package包/類
public void testFactoryBuilder_name() throws IllegalStateException,
		SecurityException, NamingException {
	// log.setMethod("testFactoryBuilder_name");

	if (!NamingManager.hasInitialContextFactoryBuilder()) {
		InitialContextFactoryBuilder contextFactoryBuilder = MockInitialContextFactoryBuilder
				.getInstance();
		NamingManager
				.setInitialContextFactoryBuilder(contextFactoryBuilder);
	}

	Hashtable<Object, Object> env = new Hashtable<Object, Object>();
	env.put(Context.URL_PKG_PREFIXES, "org.apache.harmony.jndi.tests.javax.naming.spi.mock");

	MyInitialContext context = new MyInitialContext(env);
	// log.log(context.getEnvironment().toString());
	// log.log("DefaultContext:" +
	// context.getDefaultContext().getClass().getName());
	//
	Context urlContext = NamingManager.getURLContext("http", env);
	assertEquals("http", urlContext.getEnvironment().get("url.schema"));

	Name name = new CompositeName("http://www.apache.org");
	String obj = "Name object";
	context.bind(name, obj);

	assertNull(InvokeRecord.getLatestUrlSchema());
}
 

import javax.naming.spi.NamingManager; //導入方法依賴的package包/類
/**
 * Returns a non-null context for the specified name of string
 * representation.
 * <p>
 * If an initial context factory builder has been defined, then the
 * specified name parameter is ignored and the result of <code>
 * getDefaultInitCtx</code>
 * is returned. Otherwise, if the name is not a URL string, then it returns
 * the result of invoking <code>getDefaultInitCtx
 * </code>. Otherwise, it
 * attempts to return a URL context
 * {@link javax.naming.spi.NamingManager#getURLContext(String, Hashtable)},
 * but if unsuccessful, returns the result of invoking <code>
 * getDefaultInitCtx</code>.
 * </p>
 * 
 * @param name
 *            a name used in a naming operation which may not be null
 * @return a context which may be a URL context
 * @throws NamingException
 *             If failed to get the desired context.
 */
protected Context getURLOrDefaultInitCtx(String name)
        throws NamingException {

    /*
     * If an initial context factory builder has been defined, then the
     * specified name parameter is ignored and the result of
     * getDefaultInitCtx() is returned.
     */
    if (NamingManager.hasInitialContextFactoryBuilder()) {
        return getDefaultInitCtx();
    }

    if (null == name) {
        // jndi.00=name must not be null
        throw new NullPointerException(Messages.getString("jndi.00")); //$NON-NLS-1$
    }

    // If the name has components
    String scheme = UrlParser.getScheme(name);
    Context ctx = null;
    if (null != scheme) {
        synchronized (contextCache) {
            if (contextCache.containsKey(scheme)) {
                return contextCache.get(scheme);
            }

            // So the first component is a valid URL
            ctx = NamingManager.getURLContext(scheme, myProps);
            if (null == ctx) {
                ctx = getDefaultInitCtx();
            }
            contextCache.put(scheme, ctx);
        }
        return ctx;
    }
    return getDefaultInitCtx();
}
 

import javax.naming.spi.NamingManager; //導入方法依賴的package包/類
public void testFactoryBuilder() throws IllegalStateException,
		SecurityException, NamingException {
	// log.setMethod("testFactoryBuilder");

	if (!NamingManager.hasInitialContextFactoryBuilder()) {
		InitialContextFactoryBuilder contextFactoryBuilder = MockInitialContextFactoryBuilder
				.getInstance();
		NamingManager
				.setInitialContextFactoryBuilder(contextFactoryBuilder);
	}

	Hashtable<Object, Object> env = new Hashtable<Object, Object>();
	env.put(Context.URL_PKG_PREFIXES, "org.apache.harmony.jndi.tests.javax.naming.spi.mock");

	MyInitialContext context = new MyInitialContext(env);
	// log.log(context.getEnvironment().toString());
	// log.log("DefaultContext:" +
	// context.getDefaultContext().getClass().getName());
	//
	Context urlContext = NamingManager.getURLContext("http", env);
	assertEquals("http", urlContext.getEnvironment().get("url.schema"));

	String name = "http://www.apache.org";
	String obj = "String object";
	context.bind(name, obj);

	assertNull(InvokeRecord.getLatestUrlSchema());
}
 

import javax.naming.spi.NamingManager; //導入方法依賴的package包/類
/**
 * Returns a non-null context for the specified name of string
 * representation.
 * <p>
 * If an initial context factory builder has been defined, then the
 * specified name parameter is ignored and the result of <code>
 * getDefaultInitCtx</code>
 * is returned. Otherwise, if the name is not a URL string, then it returns
 * the result of invoking <code>getDefaultInitCtx
 * </code>. Otherwise, it
 * attempts to return a URL context
 * {@link NamingManager#getURLContext(String, Hashtable)},
 * but if unsuccessful, returns the result of invoking <code>
 * getDefaultInitCtx</code>.
 * </p>
 * 
 * @param name
 *            a name used in a naming operation which may not be null
 * @return a context which may be a URL context
 * @throws NamingException
 *             If failed to get the desired context.
 */
protected Context getURLOrDefaultInitCtx(String name)
        throws NamingException {

    /*
     * If an initial context factory builder has been defined, then the
     * specified name parameter is ignored and the result of
     * getDefaultInitCtx() is returned.
     */
    if (NamingManager.hasInitialContextFactoryBuilder()) {
        return getDefaultInitCtx();
    }

    if (null == name) {
        // jndi.00=name must not be null
        throw new NullPointerException(Messages.getString("jndi.00")); //$NON-NLS-1$
    }

    // If the name has components
    String scheme = UrlParser.getScheme(name);
    Context ctx = null;
    if (null != scheme) {
        synchronized (contextCache) {
            if (contextCache.containsKey(scheme)) {
                return contextCache.get(scheme);
            }

            // So the first component is a valid URL
            ctx = NamingManager.getURLContext(scheme, myProps);
            if (null == ctx) {
                ctx = getDefaultInitCtx();
            }
            contextCache.put(scheme, ctx);
        }
        return ctx;
    }
    return getDefaultInitCtx();
}
 

import javax.naming.spi.NamingManager; //導入方法依賴的package包/類
public void testGetURLContext_empty_null() {
	log.setMethod("testGetURLContext_empty_null()");
	String schema = "";
       Hashtable<Object, Object> h = null;

	try {
		Context ctx = NamingManager.getURLContext(schema, h);
		assertNull(ctx);
	} catch (Throwable e) {
		log.log(e);
		fail();
	}
}
 

import javax.naming.spi.NamingManager; //導入方法依賴的package包/類
public void testGetURLContext_http_f1BadClassName_f2BadClassName() {
	log.setMethod("testGetURLContext_http_f1BadClassName_f2BadClassName()");
	String schema = "http";
	Hashtable<String, String> h = new Hashtable<String, String>();
	h.put(Context.URL_PKG_PREFIXES, "bad.class.name:bad.class.name");

	try {
		Context ctx = NamingManager.getURLContext(schema, h);
		assertNull(ctx);
	} catch (Throwable e) {
		log.log(e);
		fail();
	}
}
 

import javax.naming.spi.NamingManager; //導入方法依賴的package包/類
public void testGetURLContext_http_empty() {
	log.setMethod("testGetURLContext_http_empty()");
	String schema = "http";
       Hashtable<Object, Object> h = new Hashtable<Object, Object>();

	try {
		Context ctx = NamingManager.getURLContext(schema, h);
		assertNull(ctx);
	} catch (Throwable e) {
		log.log(e);
		fail();
	}
}
 

import javax.naming.spi.NamingManager; //導入方法依賴的package包/類
/**
 * Retrieves a context for resolving <code>name</code>.
 * If the first component of <code>name</code> name is a URL string,
 * then attempt to find a URL context for it. If none is found, or if
 * the first component of <code>name</code> is not a URL string,
 * then return <code>getDefaultInitCtx()</code>.
 *<p>
 * When creating a subclass of InitialContext, use this method as
 * follows.
 * Define a new method that uses this method to get an initial
 * context of the desired subclass.
 * <blockquote><pre>
 * protected XXXContext getURLOrDefaultInitXXXCtx(Name name)
 * throws NamingException {
 *  Context answer = getURLOrDefaultInitCtx(name);
 *  if (!(answer instanceof XXXContext)) {
 *    if (answer == null) {
 *      throw new NoInitialContextException();
 *    } else {
 *      throw new NotContextException("Not an XXXContext");
 *    }
 *  }
 *  return (XXXContext)answer;
 * }
 * </pre></blockquote>
 * When providing implementations for the new methods in the subclass,
 * use this newly defined method to get the initial context.
 * <blockquote><pre>
 * public Object XXXMethod1(Name name, ...) {
 *  throws NamingException {
 *    return getURLOrDefaultInitXXXCtx(name).XXXMethod1(name, ...);
 * }
 * </pre></blockquote>
 *
 * @param name The non-null name for which to get the context.
 * @return A URL context for <code>name</code> or the cached
 *         initial context. The result cannot be null.
 * @exception NoInitialContextException If cannot find an initial context.
 * @exception NamingException In a naming exception is encountered.
 *
 * @see javax.naming.spi.NamingManager#getURLContext
 */
protected Context getURLOrDefaultInitCtx(Name name)
    throws NamingException {
    if (NamingManager.hasInitialContextFactoryBuilder()) {
        return getDefaultInitCtx();
    }
    if (name.size() > 0) {
        String first = name.get(0);
        String scheme = getURLScheme(first);
        if (scheme != null) {
            Context ctx = NamingManager.getURLContext(scheme, myProps);
            if (ctx != null) {
                return ctx;
            }
        }
    }
    return getDefaultInitCtx();
}